cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A374867 Obverse convolution (2n+1)**A000045; see Comments.

Table of values

n a(n)
0 1
1 6
2 40
3 504
4 8640
5 221760
6 8087040
7 426888000
8 32620363776
9 3648685824000
10 602632706457600
11 148439180079590400
12 55016878371840000000
13 30938118932878961836032
14 26590262111772239462400000
15 35154873540222607725345792000
16 71898404594761985678156759040000

List of values

[1, 6, 40, 504, 8640, 221760, 8087040, 426888000, 32620363776, 3648685824000, 602632706457600, 148439180079590400, 55016878371840000000, 30938118932878961836032, 26590262111772239462400000, 35154873540222607725345792000, 71898404594761985678156759040000]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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